Novel substituted 2,4,8-trisubstituted 8H-pyrido[2,3-d]pyrimidin-7-one containing compounds and compositions, and their use use in therapy as CSBP/RK/p38 kinase inhibitors.
Process for preparing pyrido[2,3-d]pyrimidin-7-one and 3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one derivatives
申请人:Boehm C. Jeffrey
公开号:US20060258687A1
公开(公告)日:2006-11-16
The present invention is directed to a novel method of preparing of 2,4,8-trisubstituted pyrido[2,3-d]pyrimidin-7-one pharmacophores of Formula (II) or (IIa)
wherein
G1 is CH
2
or NH: G2 is CH or nitrogen;
Rx is chloro, bromo, iodo, or O—S(O)
2
CF
3
;
R
g
is a C
1-10
alkyl; m is 0, or an integer having a value of 1, or 2;
R
3
is a C
1-10
alkyl, C
3-7
cycloalkyl, C
3-7
cycloalkyl C
1-10
alkyl, aryl, arylC
1-10
alkyl, heteroaryl, heteroarylC
1-10
alkyl, heterocyclic or a heterocyclylC
1-10
alkyl moiety, and wherein each of these moieties may be optionally substituted.
which comprises reacting a compound of the formula:
wherein
Ry is chloro, bromo, iodo, O—S(O)
2
CF
3
; and
Rg is a C
1-10
alkyl; with a olefin forming reagent in a suitable base to yield a compound of Formula (II), or (IIa) wherein m=0 and oxidizing the sulphur as necessary or desired.
Process for Preparing Pyrido[2,3-d]pyrimidin-7-one and 3,4-Dihydropyrimido[4,5-d]pyrimidin-2(1H)-one Derivatives
申请人:Callahan James F.
公开号:US20090048444A1
公开(公告)日:2009-02-19
The present invention is directed to a novel method of preparing of 2,4,8-trisubstituted pyrido[2,3-d]pyrimidin-7-one pharmacophores of Formula (II) or (IIa)
wherein
G1 is CH
2
;
G2 is CH;
Rx is chloro, bromo, iodo, or O—S(O)
2
CF
3
;
R
g
is a C
1-10
alkyl;
m is 0, or an integer having a value of 1, or 2;
R
3
is a C
1-10
alkyl, C
3-7
cycloalkyl, C
3-7
cycloalkyl C
1-10
alkyl, aryl, arylC
1-10
alkyl, heteroaryl, heteroarylC
1-10
alkyl, heterocyclic or a heterocyclylC
1-10
alkyl moiety, and wherein each of these moieties may be optionally substituted.
which comprises reacting a compound of the formula:
wherein
Ry is chloro, bromo, iodo, O—S(O)
2
CF
3
; and
Rg is a C
1-10
alkyl;
with a olefin forming reagent in a suitable base to yield a compound of Formula (II), or (IIa) wherein m=0 and oxidizing the sulphur as necessary or desired.
Process For Preparing Pyrido[2,3-D]Pyrimidin-7-One And 3,4-Dihydropyrimido{4,5-D}Pyrimidin-2(1H)-One Derivatives
申请人:Callahan Francis James
公开号:US20080096905A1
公开(公告)日:2008-04-24
The present invention is directed to a novel method of preparing of 2,4,8-trisubstituted pyrido[2,3-d]pyrimidin-7-one pharmacophores of Formula (II)
wherein
G1 is CH
2
or NH: G2 is CH or nitrogen;
Rx is chloro, bromo, iodo, or O—S(O)
2
CF
3
;
R
g
is a C
1-10
alkyl; m is 0, or an integer having a value of 1, or 2;
R
3
is a C
1-10
alkyl, C
3-7
cycloalkyl, C
3-7
cycloalkyl C
1-10
alkyl, aryl, arylC
1-10
alkyl, heteroaryl, heteroarylC
1-10
alkyl, heterocyclic or a heterocyclylC
1-10
alkyl moiety, and wherein each of these moieties may be optionally substituted.
which comprises reacting a compound of the formula:
wherein
Ry is chloro, bromo, iodo, O—S(O)
2
CF
3
; and
Rg is a C
1-10
alkyl; with a olefin forming reagent in a suitable base to yield a compound of Formula (II), wherein m=0 and oxidizing the sulphur as necessary or desired.